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SubjectRe: [PATCH] [RSDL-mm 0/6] RSDL cpu scheduler for -mm
On 08/03/07, Andrew Morton <akpm@linux-foundation.org> wrote:
> On Wed, 7 Mar 2007 17:43:45 -0800 Andrew Morton <akpm@linux-foundation.org> wrote:
>
> > On Wed, 7 Mar 2007 12:26:42 +1100
> > Con Kolivas <kernel@kolivas.org> wrote:
> >
> > > What follows is the same patch series that constitutes the RDSL "Rotating
> > > Staircase DeadLine" cpu scheduler resynced for 2.6.21-rc2-mm2.
> >
> > Big oops early in boot on x86_64 SMP, in rq_bitmap_error+0x97/0x9f.
> >
> > I stubbed it out with a `return MAX_RT_PRIO;' (I think) but it then oopsed
> > differently. Before netconsole had come up, no serial console, no digital
> > camera.
> >
> > There's stuff in http://userweb.kernel.org/~akpm/ck/ - you can probably
> > boot that kernel on your own machine.
> >
> > I need to do rc3-mm1 now. I might find some time to poke at this
> > further after that, but I have to leave for a week in .jp and it'll be
> > squeezy, sorry.
>
> well it boots os dual pIII and quad powerpc.
>
> The powerpc says
>
> Scheduler bitmap error - bitmap being reconstructed..
>
> during bootup. But it didn't crash like the Nocona machine.

Ah thanks. Sorry I have a very busy day at work and am unable to do
anything about it till tonight. I could imagine on nocona this would
be due to the idle task being scheduled on init - which it is not
supposed to do but if you read the comment in sched_init it says it
*might. I have no way of handling that at the moment because I wasn't
sure it ever happened any more. As for the powerpc.. I have no idea
(from where I am at the moment which it would be totally inappopriate
for me to try to debug :P), sorry.

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